/*
 * Copyright 2025, AutoMQ HK Limited.
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.automq.stream.s3.wal;

import com.automq.stream.utils.IdURI;

import java.util.concurrent.CompletableFuture;
import java.util.concurrent.TimeUnit;

public interface WalHandle {

    /**
     * Fence the specified WAL on the specified node and acquire permission to access it.
     */
    CompletableFuture<Void> acquirePermission(int nodeId, long nodeEpoch, IdURI walConfig, AcquirePermissionOptions options);

    /**
     * Release the permission to access the specified WAL.
     */
    CompletableFuture<Void> releasePermission(IdURI walConfig, ReleasePermissionOptions options);

    class AcquirePermissionOptions {
        private boolean failoverMode;
        private long timeoutMs = TimeUnit.SECONDS.toMillis(20);

        public AcquirePermissionOptions failoverMode(boolean failoverMode) {
            this.failoverMode = failoverMode;
            return this;
        }

        public boolean failoverMode() {
            return failoverMode;
        }

        public AcquirePermissionOptions timeoutMs(long timeoutMs) {
            this.timeoutMs = timeoutMs;
            return this;
        }

        public long timeoutMs() {
            return timeoutMs;
        }
    }

    class ReleasePermissionOptions {
        private long timeoutMs = TimeUnit.SECONDS.toMillis(20);

        public ReleasePermissionOptions timeoutMs(long timeoutMs) {
            this.timeoutMs = timeoutMs;
            return this;
        }

        public long timeoutMs() {
            return timeoutMs;
        }
    }
}
